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laiz [17]
2 years ago
11

This element had a 3p sub level that contains 3 electrons

Chemistry
1 answer:
o-na [289]2 years ago
5 0
Phosphorus would be your element
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In step 2, of the experiment, the procedure uses 3.0M NaOH. However, the student notices that the only solution of NaOH is conce
Luda [366]

Answer:

We need 78.9 mL of the 19.0 M NaOH solution

Explanation:

Step 1: Data given

Molarity of the original NaOH solution = 19.0 M

Molarity of the NaOH solution we want to prepare = 3.0 M

Volume of the NaOH solution we want to prepare = 500 mL = 0.500 L

Step 2: Calculate volume of the 19.0 M NaOH solution needed

C1*V1 = C2*V2

⇒with C1 = the concentration of the original NaOH solution = 19.0 M

⇒with V1 = the volume of the original NaOH solution = TO BE DETERMINED

⇒with C2 = the concentration of the NaOH solution we want to prepare = 3.0 M

⇒with V2 = the volume  of the NaOH solution we want to prepare = 500 mL = 0.500 L

19.0 M * V2 = 3.0 M * 0.500 L

V2 = (3.0 M * 0.500L) / 19.0 M

V2 = 0.0789 L

We need 0.0789 L

This is 0.0789 * 10^3 mL = 78.9 mL

We need 78.9 mL of the 19.0 M NaOH solution

8 0
3 years ago
Which of the following is not considered a behavior?
noname [10]
Mental illnesses or emotional illness or  silly things like eating or dancing
3 0
3 years ago
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What is a trial? please​
lesya692 [45]
Examination by a test; experiment, as in chemistry, metallurgy, etc.
7 0
3 years ago
Proteins contain<br>a. oxygen<br>b. nitrogen <br>c. hydrogen<br>​
seraphim [82]

Answer:

All of the above

Explanation:

Proteins contain a long chain of amino acids which are a chain of oxygen, nitrogen, carbon, hydrogen or sulfur.

HOPE THIS HELPED

7 0
2 years ago
Read 2 more answers
How many molecules of aspartame are present in 1.00 mg of aspartame?
kobusy [5.1K]

Answer:

0.2 x 10^19

Explanation:

5 0
3 years ago
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